write equation for f(x) = mx + b given f(2) = 3, f(6) = -3

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lost
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write equation for f(x) = mx + b given f(2) = 3, f(6) = -3

Postby lost » Thu Jan 15, 2009 10:34 pm

Write an equation for each function in the form f(x) = mx+b

f(2) = 3, f(6) = -3

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stapel_eliz
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Postby stapel_eliz » Fri Jan 16, 2009 12:42 am

lost wrote:Write an equation for each function in the form f(x) = mx+b

f(2) = 3, f(6) = -3

You've been given two points, (x, f(x)) = (2, 3) and (x, f(x)) = (6, -3). Plug these points into slope formula. Then pick one of the points (it doesn't matter which one), and plug that point and the slope you just found into one of the forms of the equation of a straight line.

If you get stuck, please reply showing how far you have gotten in working through these steps. Thank you! :D

Eliz.


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